import axios from 'axios'
import {
  Message
} from 'element-ui'
import store from '@/store';
import router from '@/router'
import {
  getToken
} from '@/utils/auth'
import {
  domain
} from '@/utils/domain'

// create an axios instance
const service = axios.create({
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  baseURL: domain, // url = base url + request url
  // baseURL: 'http://192.168.20.96:9501', // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 90000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
    config.headers['X-Requested-With'] = 'XMLHttpRequest ';
    config.headers['Content-Type'] = 'application/json ';
    if (store.getters.token) {
      config.headers['Authorization'] = getToken()
    }
    return config
  },
  error => {
    // do something with request error
    // console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data;
    if (response.config.url.includes('/api/user/login') && res.code != 200) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(response)
    } else if (res.code == 401) {
      store.dispatch('user/logout').then((res) => {
        router.push(`/login`);
      });
    }

    // if the custom code is not 20000, it is judged as an error.
    else if (res.code !== 200) {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(new Error(res.message || 'Error'))
    } else {
      return res;
    }
  },
  error => {
    // console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
